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212 Nvidia details efficiency of the NVFP4 format for LLM training — new paper reveals how NVFP4 offers benefits over FP8 and BF16

Tom's Hardware
Tom's Hardware · 10/03/2025 12:19 EDT

Nvidia details efficiency of the NVFP4 format for LLM training — new paper reveals how NVFP4 offers benefits over FP8 and BF16

Nvidia has demonstrated that its NVFP4 4-bit floating point format — originally intended for inference — can be used for stable, large-scale training of LLMs with minimal accuracy loss, offering significant gains in compute and memory efficiency over both FP8 and BF16.

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